A mini-review: How reliable is the drop casting technique?

The simple, easy and rapid technique of “drop casting” is widely used to prepare the surface of chemically modified electrodes in which the modifying layer is composed of particles such as nanotubes or nanoparticles and used for electro-catalysis notably for chemical sensing as well as materials eva...

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Main Authors: Archana Kaliyaraj Selva Kumar, Yifei Zhang, Danlei Li, Richard G. Compton
Format: Article
Language:English
Published: Elsevier 2020-12-01
Series:Electrochemistry Communications
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1388248120302186
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author Archana Kaliyaraj Selva Kumar
Yifei Zhang
Danlei Li
Richard G. Compton
author_facet Archana Kaliyaraj Selva Kumar
Yifei Zhang
Danlei Li
Richard G. Compton
author_sort Archana Kaliyaraj Selva Kumar
collection DOAJ
description The simple, easy and rapid technique of “drop casting” is widely used to prepare the surface of chemically modified electrodes in which the modifying layer is composed of particles such as nanotubes or nanoparticles and used for electro-catalysis notably for chemical sensing as well as materials evaluation. However, meaningful voltammetry requires the formation of uniformly modified surfaces for which the coffee ring and its related effects, which are overviewed, present a significant limitation on the reproducibility of the drop casted surfaces. Approaches for amelioration of the coffee ring effect by various methods are discussed.
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spelling doaj.art-6bdc724e6d65492aa1f3b4b06b9c76862022-12-21T18:00:18ZengElsevierElectrochemistry Communications1388-24812020-12-01121106867A mini-review: How reliable is the drop casting technique?Archana Kaliyaraj Selva Kumar0Yifei Zhang1Danlei Li2Richard G. Compton3Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United KingdomPhysical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United KingdomPhysical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United KingdomCorresponding author.; Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United KingdomThe simple, easy and rapid technique of “drop casting” is widely used to prepare the surface of chemically modified electrodes in which the modifying layer is composed of particles such as nanotubes or nanoparticles and used for electro-catalysis notably for chemical sensing as well as materials evaluation. However, meaningful voltammetry requires the formation of uniformly modified surfaces for which the coffee ring and its related effects, which are overviewed, present a significant limitation on the reproducibility of the drop casted surfaces. Approaches for amelioration of the coffee ring effect by various methods are discussed.http://www.sciencedirect.com/science/article/pii/S1388248120302186Particle modified electrodesNanoparticlesElectro-catalystsCoffee ring effect
spellingShingle Archana Kaliyaraj Selva Kumar
Yifei Zhang
Danlei Li
Richard G. Compton
A mini-review: How reliable is the drop casting technique?
Electrochemistry Communications
Particle modified electrodes
Nanoparticles
Electro-catalysts
Coffee ring effect
title A mini-review: How reliable is the drop casting technique?
title_full A mini-review: How reliable is the drop casting technique?
title_fullStr A mini-review: How reliable is the drop casting technique?
title_full_unstemmed A mini-review: How reliable is the drop casting technique?
title_short A mini-review: How reliable is the drop casting technique?
title_sort mini review how reliable is the drop casting technique
topic Particle modified electrodes
Nanoparticles
Electro-catalysts
Coffee ring effect
url http://www.sciencedirect.com/science/article/pii/S1388248120302186
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